In an order issued Monday, the justices asked for new briefs about whether the third rendition of the travel ban means there is nothing left for the court to decide. The briefs are due Oct. 5 and the court said for now it is removing from its oral argument calendar a hearing scheduled for Oct. 10.

He added three countries to his first list, Chad, North Korea and Venezuela. The Venezuela restrictions apply only to government officials.

There are waiver provisions, exceptions for asylum and those needing protection from torture:

This proclamation shall not apply to an individual who has been granted asylum by the United States, to a refugee who has already been admitted to the United States, or to an individual granted withholding of removal or protection under the Convention Against Torture. Nothing in this proclamation shall be construed to limit the ability of an individual to seek asylum, refugee status, withholding of removal, or protection under the Convention Against Torture, consistent with the laws of the United States.

"Six of President Trump's targeted countries are Muslim. The fact that Trump has added North Korea -- with few visitors to the US -- and a few government officials from Venezuela doesn't obfuscate the real fact that the administration's order is still a Muslim ban," said Anthony D. Romero, executive director of the ACLU. "President Trump's original sin of targeting Muslims cannot be cured by throwing other countries onto his enemies list."